Home / 2,914.71-4,022.15-1,588.33

Finding the Fourth Proportional to 2,914.71, 4,022.15 and 1,588.33

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Solution

The fourth proportional to 2,914.71, 4,022.15 and 1,588.33 is: 2,191.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.71 : 4,022.15 = 1,588.33 : x
  2. Step 2: Convert to fraction form
    2,914.71/4,022.15 = 1,588.33/x
  3. Step 3: Cross multiply
    2,914.71x = 4,022.15 × 1,588.33
  4. Step 4: Simplify right side
    2,914.71x = 6,388,501.51
  5. Step 5: Solve for x
    x = 6,388,501.51/2,914.71
  6. Step 6: Final answer
    x = 2,191.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.